M2SCI Function
Last update : 5/10/2004

Operation - Create a tree representing an operation

### Calling Sequence

  `op=Operation(operator,operands,out)`

### Parameters

- `operator`: operator symbol (character string)
- `operands`: list of operands (list of "M2SCI tlists")
- `out`: list of outputs (list of "M2SCI tlists")
- `op`: an "operation" tlist

### Description

This function create a `tlist` representing an operation when using M2SCI. All input parameters values are verified to be compatible with "M2SCI tlists".

### See Also

`Funcall`, `Variable`, `Cste`, `Infer`, `Contents`, `Type`, `Equal`,

### Authors

  V.C.